I will use following techniques for onpage analysis:

-Website Pre - competition's analysis
-Detailed Keywords Research and Content Analysis. (Check all web pages, content,whether it is enriched with targeted keywords or not)
-Placements of All appropriate keywords and Meta tags, H1 H2 tags, Links renaming, content optimization of pages identified
-HTML Validation (if needed)
-Code Optimization
-Remove Junk code and Blank Space (If so)
-Rename variable names according to keywords. (If so)
-Image alteration txt
-Submission of website in Google and Google Webmaster Tools, Yahoo, Bing.
-Submission of XML Site Map and Robots.txt Files
-Submission of Google Map Script Locater/ Google Map Listing
-Placement of Google Analytics. (To Track the Daily Traffic)